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Physics

Physics
Light travels slowest in

Air
Vacuum
Glass
Water

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Physics
One should not connect a number of electrical appliances to the same power socket because

this can damage the appliances due to overloading
this can damage the domestic wiring due to overloading
this can damage the electrical meter
the appliance will not get full voltage

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Physics
A tennis ball machine serves a ball vertically into the air from a height of 2 feet, with an initial speed of 110 feet per second. After how many seconds does the ball attain its maximum height?

2.87 sec
4.65 sec
5.41 sec
3.44 sec

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Physics
It is more difficult to walk on ice than on a concrete road because

None of these
There is very little friction between the ice and feet pressing it
Ice is soft when compared to concrete
There is more friction between the ice and feer

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Physics
Magnetic field lines about a current-carrying wire

Circle the wire in closed loops
Both of these
None of these
Extend radially from the wire

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Physics
Which of the following supports particle nature of photons ?

Diffraction
Photoelectric effect
Interference
Polarization

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MORE MCQ ON Physics

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